CBSE Class 9 Answered
A conical tent is to accommodate 11 persons. Each person must have 4 m2 of the space on the ground and 20 m3 of air to breathe. Find the height of the cone.
Asked by Topperlearning User | 10 Apr, 2014, 08:54: AM
Expert Answer
Let the radius of the conical tent be 'r' m and height be 'h' m.
Space on the ground required by each person = 4 m2
Area of base = 11 4 = 44 m2
Air required by each person to breathe = 20 m3
Volume of cone = 11 20 = 220 m3
Area of the base of conical tent =
Volume of cone = 220
Thus, height of the cone is 15 m.
Answered by | 10 Apr, 2014, 10:54: AM
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